123452990

素因数分解:

$2^1\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{8291}}^1$

素因数の和:9787

約数の個数: 16

約数和(自身を含む): 222391440

約数和(自身を除く): 98938450

約数列:

[1, 2, 5, 10, 1489, 2978, 7445, 8291, 14890, 16582, 41455, 82910, 12345299, 24690598, 61726495, 123452990]

約数ペア:

[(1, 123452990), (2, 61726495), (5, 24690598), (10, 12345299), (1489, 82910), (2978, 41455), (7445, 16582), (8291, 14890)]